Stewart Engineering, Inc.

Our Services

Comprehensive geotechnical engineering services throughout the Hawaiian Islands. Since 1990, we have completed over 850 projects ranging from single-family residences to major resort developments, public infrastructure, and military installations.

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Geotechnical Investigations & Reports

  • Test pit and boring excavation and logging
  • Soil and rock sampling
  • In-situ field testing
  • Foundation design recommendations
  • Bearing capacity and settlement analysis
  • Slope stability evaluation
  • Liquefaction and seismic hazard assessment
  • Lateral earth pressure analysis
  • Pavement section design
  • Preliminary and design-level geotechnical reports
  • Percolation and infiltration studies
  • Corrosion potential
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Grading Observation & Construction-Phase Testing

  • Grading observation and documentation
  • Compaction testing (nuclear density gauge)
  • Sampling and laboratory analysis of imported soils
  • Trench backfill observation
  • Slope construction monitoring
  • Pile observation and documentation
  • Proof-rolling evaluation
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Failure Investigations

  • Foundation settlement and heave analysis
  • Slope and retaining wall failures
  • Post-construction subsidence and slope creep
  • Document and design review
  • Supplemental subsurface investigation
  • Laboratory testing of on-site soils
  • Engineering analysis and causation determination
  • Repair and remediation recommendations
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Litigation Support & Expert Opinion

  • Independent technical review and analysis
  • Written expert opinion reports
  • Case evaluation and consultation
  • Deposition and trial testimony
  • Mediation and arbitration support
  • Construction defect claims
  • Property damage disputes
  • Slope failure and landslide litigation
  • Foundation performance issues
  • Drainage and water intrusion matters
  • Professional standard of care review
  • Insurance claims evaluation

Our principals have provided expert testimony in Hawaii state and federal courts, offering clear, objective, and defensible opinions grounded in decades of local engineering experience.